PremiumJamie GrayBusiness Reporter·NZ Herald·15 Jun, 2026 05:00 AM4 mins to readA Calder Stewart-built facility with solar installed. Photo / SuppliedA Calder Stewart-built facility with solar installed. Photo / SuppliedAn overseas fact-finding mission has led New Zealand’s biggest industrial land owner into rooftop solar-power generation.
The firm, family-owned Calder Stewart, now plans to invest more than $110 million in a rooftop solar and battery storage rollout that it says will lower production costs for local and export firms while
